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An integrative approach to species delimitation in Benthomangelia (Mollusca: Conoidea)
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: Puillandre, Nicolas; Baylac, Michel; Boisselier, Marie-catherine; Cruaud, Corinne; Samadi, Sarah.
DNA sequences are currently used to propose primary hypotheses of species delimitation, especially when morphological variability is difficult to assess. In an integrative taxonomy framework, these hypotheses are then compared with other characters, such as morphology or geography, to produce robust species delimitations. For this purpose, the cytochrome oxidase subunit I (COI) gene has been sequenced for almost 50 specimens of the genus Benthomangelia, a deep-sea marine gastropod genus, collected in the South-West Pacific. Five genetic groups, displaying low and high genetic distances respectively within and between groups, were defined. COI hypotheses were compared with both the results obtained with the independent nuclear 28S gene and with an elliptic...
Tipo: Text
Palavras-chave: 28S rRNA; COI gene; DNA taxonomy; Elliptic fourier analysis; Integrative taxonomy; Molluscs.
Ano: 2009
URL: https://archimer.ifremer.fr/doc/00206/31678/30065.pdf